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Sweet Potatoes au Gratin Recipe

Sweet Potatoes au Gratin Recipe
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4.9 from 5 reviews

Indulge in the rich, creamy goodness of Sweet Potatoes au Gratin with this easy-to-follow recipe. Layers of thinly sliced sweet potatoes are bathed in a decadent blend of cream, cheese, and aromatic spices, then baked to perfection. This dish is a delightful twist on a classic comfort food, guaranteed to impress your family and friends.

Ingredients

Sweet Potatoes:

  • 4 sweet potatoes (around 1400g)

Creamy Sauce:

  • 1 tbsp butter
  • 1 shallot
  • 1 clove garlic
  • 3 sprigs fresh thyme
  • 350 ml heavy cream
  • 150 g grated Gruyere
  • 20 g grated Parmesan
  • 1 tsp nutmeg
  • Salt and black pepper, to taste
  • 20 g roughly chopped pecans

Instructions

  1. Wash and Peel Sweet Potatoes: Begin by washing and peeling the sweet potatoes.
  2. Preheat Oven: Preheat your oven to 425°F (220°C).
  3. Slice Potatoes: Using a mandoline set to 4mm, slice the sweet potatoes thinly.
  4. Arrange in Pan: Arrange the sweet potato slices in a spiral pattern in a cast-iron pan or oven-safe dish.
  5. Prepare Aromatic Mix: Dice shallot and garlic, and remove thyme leaves. Sauté in butter until fragrant.
  6. Make Creamy Sauce: Combine shallot mixture with cream, Gruyere, Parmesan, nutmeg, salt, and pepper. Simmer until thickened.
  7. Layer and Bake: Pour the sauce over sweet potatoes in the pan. Bake for about 45 minutes until tender and golden-brown. Add pecans in the last 5 minutes.
  8. Garnish and Serve: Optionally garnish with fresh thyme sprig before serving.

Notes

  • You can customize the cheese blend by adding your favorite varieties.
  • For a crispy top, broil the dish for a few minutes at the end of baking.

Nutrition

Find it online: https://cookedbysarah.com/sweet-potatoes-au-gratin-recipe/